?Todd's Direct, a major TV sales chain headquartered in New? Orleans, is about to open its first outlet in? Mobile, Alabama, and wants to select a site that will place the new outlet in the center of? Mobile's population base. Todd examines the seven census tracts in? Mobile, plots the coordinates of the center of each from a? map, and looks up the population base in each to use as a weighting. The information gathered appears in the following table.
Census Tract Population in Census Tract Map Coordinate X Map Coordinate Y
101 2,100 26 46
102 4,800 25 24
103 10,500 52 48
104 7,200 52 22
105 10,400 80 50
106 18,000 72 22
107 14,000 90 25
?a) The? center-of-gravity coordinates for the location of the proposed outlet in? Mobile, Alabama should? be:
x? =